Patents by Inventor Trevor J. Andrews

Trevor J. Andrews has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wound dressing
    Patent number: 5154928
    Abstract: The invention provides a wound dressing comprising a pad of soft polyurethane foam one surface layer of which is hydrophilic and a backing layer of which is hydrophobic and a sheet or strip of a soft conformable polyether foam having an adhesive on one surface thereof. The surface of said pad opposite the hydrophobic layer is secured to said sheet or strip by said adhesive and said sheet or strip overlaps said pad to enable the pad to be secured in position with said hydrophilic layer in contact with a wound by means of said adhesive.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: October 13, 1992
    Assignee: Uhra Laboratories Limited
    Inventor: Trevor J. Andrews